About The Medical Condition Malignant Astrocytoma, Optic Nerve
Find the definition of the medical term Malignant Astrocytoma, Optic Nerve. Malignant Astrocytoma, Optic Nerve defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Malignant Astrocytoma, Optic Nerve
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What's The Definition Of The Medical Condition Malignant Astrocytoma, Optic Nerve?
Glial cell derived tumors arising from the optic nerve, usually presenting in childhood. Roughly 50% are associated with NEUROFIBROMATOSIS 1. Clinical manifestations include decreased visual acuity; EXOPHTHALMOS; NYSTAGMUS; STRABISMUS; pallor or swelling of the optic disc; and INTRACRANIAL HYPERTENSION. The tumor may extend into the optic chiasm and hypothalamus. (Adams et al., Principles of Neurology, 6th ed, p681)
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